net-next/hinic: Fix a case of Tx Queue is Stopped forever

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Fix the following scenario:
1. tx_free_poll is running on cpu X
2. xmit function is running on cpu Y and fails to get sq wqe
3. tx_free_poll frees wqes on cpu X and checks the queue is not stopped
4. xmit function stops the queue after failed to get sq wqe
5. The queue is stopped forever

Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Aviad Krawczyk 2017-09-27 02:11:33 +08:00 • committed by David S. Miller

parent 352f58b0d9

commit bbdc9e687f

1 changed files with 12 additions and 2 deletions

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drivers/net/ethernet/huawei/hinic/hinic_tx.c

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